11020021233 has 16 divisors (see below), whose sum is σ = 15831648000. Its totient is φ = 6778111104.

The previous prime is 11020021213. The next prime is 11020021241. The reversal of 11020021233 is 33212002011.

It is not a de Polignac number, because 11020021233 - 2¹⁸ = 11019759089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020021213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7285 + ... + 148637.

It is an arithmetic number, because the mean of its divisors is an integer number (989478000).

Almost surely, 2^11020021233 is an apocalyptic number.

11020021233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11020021233 is a deficient number, since it is larger than the sum of its proper divisors (4811626767).

11020021233 is a wasteful number, since it uses less digits than its factorization.

11020021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143368.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11020021233 its reverse (33212002011), we get a palindrome (44232023244).

The spelling of 11020021233 in words is "eleven billion, twenty million, twenty-one thousand, two hundred thirty-three".